﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace HistogramControlTest.Converters
{
    public class BoolToVisibilityConverter : IValueConverter
    {
        // <param name="parameter">用true和false，标识是否反转结果</param>
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null)
                return Visibility.Collapsed;

            bool s;
            bool.TryParse(value.ToString(), out s);
            if (parameter != null)
            {
                bool p;
                bool.TryParse(parameter.ToString(), out p);
                if (p)
                {
                    return s ? Visibility.Collapsed : Visibility.Visible;
                }
                return s ? Visibility.Visible : Visibility.Collapsed;
            }
            return s ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}
